package day04.ZuoYeDemo;//2. 接收用户输入的年份year和月份month，计算该年该月的天数，并输出
import java.util.Scanner;
public class KuozDemo {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        System.out.println("欢迎使用日历");
        System.out.println("输入年份：");
        int year = scan.nextInt();
        System.out.println("输入月份：");
        int month = scan.nextInt();
        int day=0;
        switch (month){
            case 1:
            case 3:
            case 5:
            case 7:
            case 8:
            case 10:
            case 12:
                day=31;
                break;
            case 4:
            case 6:
            case 9:
            case 11:
                day=30;
                break;
            case 2:
            if ( year%4==0 && year%100!=0 ||year%400==0 ){
                day=29;
            }else {
                day=28;
            }
        }
        System.out.println( year + "年" + month + "月" + "是" + day + "天" );
    }
}
